Under Device specifications > System type, see if you’re running a 32-bit or 64-bit version of Windows.Select the Start button > Settings > System > About.
How do you check Windows 10 is 32 or 64-bit?
EXE comes in a 32-bit and a 64-bit version. In Windows, it is called the command prompt or command line.
One way to launch a 32-bit CMD is to do the same but double click C:\Windows\SysWOW64\cmd.exe. One way to launch a 64-bit CMD is to just use “My Computer” and double click C:\Windows\System32\cmd.exe. How do I run a 64-bit Command Prompt in Windows 10? Where do I download cmd.exe for Windows 10?.How do I know if Windows is 64 or 32-bit?.How do you tell if your computer is 32 or 64-bit Windows 10 cmd?.
If you're logged into SQL Plus, the banner will tell you 64-bit if the 64-bit version is installed.
How to check if your Oracle CLIENT software is 32-bit or 64-bit